CobaltMaghrebV1, France, Analysis, bibRecord, 000232

Low temperature synthesis of LiCr0.3Co0.7O2 intercalation compounds using citrate, oxalate, succinate, and glycinate precursors

Identifieur interne : 000232 ( France/Analysis ); précédent : 000231; suivant : 000233

Low temperature synthesis of LiCr0.3Co0.7O2 intercalation compounds using citrate, oxalate, succinate, and glycinate precursors

Auteurs : N. Amdouni [Tunisie] ; H. Zarrouk [Tunisie] ; C. Julien [France]

Source :

British ceramic transactions [ 0967-9782 ] ; 2003.

RBID : Pascal:03-0374058

Descripteurs français

Pascal (Inist)
- Etude expérimentale, Préparation chimique, Composé insertion, Basse température, Lithium oxyde, Chrome oxyde, Cobalt oxyde, Substitution ion, Procédé voie humide, Solution aqueuse, Méthode en solution, Citrate, Oxalate, Précurseur, Carboxylate, Thermogravimétrie, Analyse thermique différentielle, Diffraction RX, Microscopie électronique balayage, Spectre IR, Propriété électrochimique, Matériau électrode, LiCr0,3Co0,7O2, Co Cr Li O, Succinate, Glycinate.

English descriptors

KwdEn :
- Aqueous solution, Carboxylate, Chemical preparation, Chromium oxide, Citrate, Cobalt oxide, Differential thermal analysis, Electrochemical properties, Electrode material, Experimental study, Growth from solution, Infrared spectrum, Intercalation compound, Ion substitution, Lithium oxide, Low temperature, Oxalate, Precursor, Scanning electron microscopy, Thermogravimetry, Wet process, X ray diffraction.

Abstract

The synthesis of Cr substituted lithium cobaltate LiCr_0.3Co_0.7O₂ using four different low temperature methods is presented. These wet chemical routes involve the mixing of either acetates or nitrates of Co and Cr with a chelating agent in aqueous solution, namely citric acid for the sol-gel method, oxalic acid for the coprecipitation method, succinic acid for the pyrolysis method, or the complexing agent glycine for the combustion method. The synthesised products were characterised by TG-DTA, XRD, SEM, and FTIR. Structural analysis revealed the R 3 m space group for the solid solution. The electrochemical behaviour of LiCr_0.3Co_0.7O₂ was evaluated in a lithium cell.

Affiliations:

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to stream Main, to step Exploration: 000A59
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Pascal:03-0374058

Le document en format XML

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Co<sub>0.7</sub>
O<sub>2</sub>
 intercalation compounds using citrate, oxalate, succinate, and glycinate precursors</title>
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 intercalation compounds using citrate, oxalate, succinate, and glycinate precursors</title>
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<term>Cobalt oxide</term>
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<term>Electrochemical properties</term>
<term>Electrode material</term>
<term>Experimental study</term>
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<term>Préparation chimique</term>
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<term>Lithium oxyde</term>
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<front><div type="abstract" xml:lang="en">The synthesis of Cr substituted lithium cobaltate LiCr<sub>0.3</sub>
Co<sub>0.7</sub>
O<sub>2</sub>
 using four different low temperature methods is presented. These wet chemical routes involve the mixing of either acetates or nitrates of Co and Cr with a chelating agent in aqueous solution, namely citric acid for the sol-gel method, oxalic acid for the coprecipitation method, succinic acid for the pyrolysis method, or the complexing agent glycine for the combustion method. The synthesised products were characterised by TG-DTA, XRD, SEM, and FTIR. Structural analysis revealed the R 3 m space group for the solid solution. The electrochemical behaviour of LiCr<sub>0.3</sub>
Co<sub>0.7</sub>
O<sub>2</sub>
 was evaluated in a lithium cell.</div>
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Low temperature synthesis of LiCr0.3Co0.7O2 intercalation compounds using citrate, oxalate, succinate, and glycinate precursors

Low temperature synthesis of LiCr0.3Co0.7O2 intercalation compounds using citrate, oxalate, succinate, and glycinate precursors

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri